Meaning of the word "light bulb" in English

What does "light bulb" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

light bulb

US /ˈlaɪt bʌlb/

UK /ˈlaɪt bʌlb/

an evacuated glass bulb containing a metal filament that glows when incandescent electric current passes through it, used as a source of light.

Example:

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The light bulb in the lamp needs to be replaced.

•

He screwed the new light bulb into the socket.

Synonym:

bulb lamp

a moment of sudden inspiration or realization.

Example:

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Then, a light bulb went off in his head, and he knew how to solve the problem.

•

It was a real light bulb moment when I realized my mistake.

Synonym:

epiphany revelation breakthrough aha moment

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